PICOSECOND FLUORESCENCE SPECTROSCOPY OF LIGHT-HARVESTING ANTENNA COMPLEXES FROM RHODOSPIRILLUM-RUBRUM IN THE 300-4-K TEMPERATURE-RANGE - COMPARISON WITH THE DATA ON CHROMATOPHORES

被引:16
作者
FREIBERG, A
TIMPMANN, K
机构
[1] Institute of Physics, Estonian Academy of Sciences
关键词
PHOTOSYNTHESIS; CHROMATOPHORES; LIGHT-HARVESTING ANTENNA; PIGMENT PROTEIN COMPLEXES; FLUORESCENCE AND ITS KINETICS; PHOTOEXCITATION ENERGY TRANSFER; TRAPPING AND QUENCHING; SPECTRAL INHOMOGENEITY; RHODOSPIRILLUM-RUBRUM;
D O I
10.1016/1011-1344(92)87012-X
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Time- and spectrally-resolved picosecond fluorescence of light-harvesting antenna complexes B880, isolated from the membranes of the photosynthetic purple bacterium Rhodospirillum rubrum were studied over a wide temperature range from room temperature down to 4 K. At low temperatures, the kinetics are dependent on the fluorescence recording wavelength, analogous with the observation for chromatophores. The kinetics presumably reflect excitation transfer between different antenna complexes in the spectrally inhomogeneous antenna. An excitation lifetime in an antenna complex of the order of 10 ps, which is insensitive to temperature, was measured. This time seems to be characteristic of the "macroscopic" light excitation transfer in a broader class of photosynthetic systems.
引用
收藏
页码:151 / 158
页数:8
相关论文
共 26 条
[1]   ENERGY-TRANSFER WITHIN THE ISOLATED B875 LIGHT-HARVESTING PIGMENT-PROTEIN COMPLEX OF RHODOBACTER-SPHAEROIDES AT 77-K STUDIED BY PICOSECOND ABSORPTION-SPECTROSCOPY [J].
BERGSTROM, H ;
WESTERHUIS, WHJ ;
SUNDSTROM, V ;
VANGRONDELLE, R ;
NIEDERMAN, RA ;
GILLBRO, T .
FEBS LETTERS, 1988, 233 (01) :12-16
[2]   LINEAR AND CIRCULAR-DICHROISM AND FLUORESCENCE POLARIZATION OF THE B875 LIGHT-HARVESTING BACTERIOCHLOROPHYLL-PROTEIN COMPLEX FROM RHODOPSEUDOMON AS SPHAEROIDES [J].
BOLT, JD ;
HUNTER, CN ;
NIEDERMAN, RA ;
SAUER, K .
PHOTOCHEMISTRY AND PHOTOBIOLOGY, 1981, 34 (05) :653-656
[3]   POLYPEPTIDES AND BACTERIOCHLOROPHYLL ORGANIZATION IN THE LIGHT-HARVESTING COMPLEX-B850 OF RHODOBACTER-SPHAEROIDES R-26.1 [J].
BRAUN, P ;
SCHERZ, A .
BIOCHEMISTRY, 1991, 30 (21) :5177-5184
[4]   SPECTROSCOPIC CHARACTERIZATION OF THE LIGHT-HARVESTING COMPLEX OF RHODOSPIRILLUM-RUBRUM AND ITS STRUCTURAL SUBUNIT [J].
CHANG, MC ;
CALLAHAN, PM ;
PARKESLOACH, PS ;
COTTON, TM ;
LOACH, PA .
BIOCHEMISTRY, 1990, 29 (02) :421-429
[5]   SINGLET-SINGLET EXCITATION ANNIHILATION MEASUREMENTS ON THE ANTENNA OF RHODOSPIRILLUM-RUBRUM BETWEEN 300 AND 4-K [J].
DEINUM, G ;
AARTSMA, TJ ;
VANGRONDELLE, R ;
AMESZ, J .
BIOCHIMICA ET BIOPHYSICA ACTA, 1989, 976 (01) :63-69
[7]   PICOSECOND DYNAMICS OF DIRECTED EXCITATION TRANSFER IN SPECTRALLY HETEROGENEOUS LIGHT-HARVESTING ANTENNA OF PURPLE BACTERIA [J].
FREIBERG, A ;
GODIK, VI ;
PULLERITS, T ;
TIMPMAN, K .
BIOCHIMICA ET BIOPHYSICA ACTA, 1989, 973 (01) :93-104
[8]  
FREIBERG A, 1984, ADV PHOTOSYNTHESIS R, V1, P45
[9]  
FREIBERG A, 1987, PROGR PHOTOSYNTHESIS, V1, P45
[10]   SUPRAMOLECULAR ARRANGEMENT OF RHODOSPIRILLUM-RUBRUM B880 HOLOCHROME AS STUDIED BY RADIATION INACTIVATION AND ELECTRON-PARAMAGNETIC RESONANCE [J].
GINGRAS, G ;
PICOREL, R .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1990, 87 (09) :3405-3409